Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Subject: [1/2] ras: fix an off-by-one error in __find_elem() From: "Luck, Tony" Message-Id: <20190416232833.GA17372@agluck-desk> Date: Tue, 16 Apr 2019 16:28:33 -0700 To: Cong Wang Cc: Borislav Petkov , LKML , linux-edac@vger.kernel.org, Thomas Gleixner List-ID: T24gVHVlLCBBcHIgMTYsIDIwMTkgYXQgMDQ6MTg6NTdQTSAtMDcwMCwgQ29uZyBXYW5nIHdyb3Rl Ogo+ID4gVGhlIHByb2JsZW0gY2FzZSBvY2N1cnMgd2hlbiB3ZSd2ZSBzZWVuIGVub3VnaCBkaXN0 aW5jdAo+ID4gZXJyb3JzIHRoYXQgd2UgaGF2ZSBmaWxsZWQgZXZlcnkgZW50cnksIHRoZW4gd2Ug dHJ5IHRvCj4gPiBsb29rIHVwIGEgcGZuIHRoYXQgaXMgbGFyZ2VyIHRoYXQgYW55IHNlZW4gYmVm b3JlLgo+ID4KPiA+IFRoZSBsb29wOgo+ID4KPiA+ICAgICAgICAgd2hpbGUgKG1pbiA8IG1heCkg ewo+ID4gICAgICAgICAgICAgICAgIC4uLgo+ID4gICAgICAgICB9Cj4gPgo+ID4gd2lsbCB0ZXJt aW5hdGUgd2l0aCAibWluIiBzZXQgdG8gTUFYX0VMRU1TLiBUaGVuIHdlCj4gPiBleGVjdXRlOgo+ ID4KPiA+ICAgICAgICAgdGhpc19wZm4gPSBQRk4oY2EtPmFycmF5W21pbl0pOwo+ID4KPiA+IHdo aWNoIHJlZmVyZW5jZXMgYmV5b25kIHRoZSBlbmQgb2YgdGhlIHNwYWNlIGFsbG9jYXRlZAo+ID4g Zm9yIGNhLT5hcnJheS4KPiAKPiBFeGFjdGx5LgoKSG1tbS4gQnV0IGNhbiB3ZSBldmVyIHJlYWxs eSBoYXZlIHRoaXMgaGFwcGVuPyAgVGhlIGNhbGwKc2VxdWVuY2UgdG8gZ2V0IGhlcmUgbG9va3Mg bGlrZToKCgogICAgICAgIG11dGV4X2xvY2soJmNlX211dGV4KTsKCiAgICAgICAgaWYgKGNhLT5u ID09IE1BWF9FTEVNUykKICAgICAgICAgICAgICAgIFdBUk5fT04oIWRlbF9scnVfZWxlbV91bmxv Y2tlZChjYSkpOwoKICAgICAgICByZXQgPSBmaW5kX2VsZW0oY2EsIHBmbiwgJnRvKTsKCkkuZS4g aWYgdGhlIGFycmF5IHdhcyBhbGwgdGhlIHdheSBmdWxsLCB3ZSBkZWxldGUgb25lIGVsZW1lbnQK YmVmb3JlIGNhbGxpbmcgZmluZF9lbGVtKCkuICBTbyB3aGVuIHdlIGdldCBoZXJlOgoKc3RhdGlj IGludCBfX2ZpbmRfZWxlbShzdHJ1Y3QgY2VfYXJyYXkgKmNhLCB1NjQgcGZuLCB1bnNpZ25lZCBp bnQgKnRvKQp7CiAgICAgICAgdTY0IHRoaXNfcGZuOwogICAgICAgIGludCBtaW4gPSAwLCBtYXgg PSBjYS0+bjsKClRoZSBiaWdnZXN0IHZhbHVlICJtYXgiIGNhbiBoYXZlIGlzIE1BWF9FTEVNUy0x CgoKLVRvbnkK